Pfizer Is On Track to Be First to Find Out If Its Covid Vaccine Works
- Moderna, AstraZeneca plan to wait for more results to appear
- Vaccine protocols give detailed look at companies’ trials
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The Covid-19 vaccine trial designed by Pfizer Inc. and its German partner BioNTech SE may allow them to find whether their shot works before their fastest-moving rivals.
The companies plan a first look after a mere 32 coronavirus infections have accumulated in their massive 44,000-person trial. That case total could be reached as soon as Sept. 27, according to Airfinity Ltd., a London-based analytics firms tracking vaccine trials.